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Red Hat Security Advisory

RHSA-2017:2423

log4j security update

Released 2017-08-07 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 2 records

Priority CRITICAL 91

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, c…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.89358 Published 2017-04-17 Partial fix · 2.8.2 CWE-502
Priority CRITICAL 86

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening t…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.6998 Published 2019-12-20 Partial fix CWE-502